UNT Libraries Government Documents Department - 3 Matching Results

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Nueces Sheet

Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000

Date: 1921

Creator: Geological Survey (U.S.)

Item Type: Map

Location: 29.75 -100.25

Rail-Joint

Patent for an improved rail joint that doesn't need bolts.

Date: August 17, 1920

Creator: Ryan, George R. & Ryan, William M.

Item Type: Patent

Rail-Joint.

Patent for the improvement of existing rail joints by creating a tie or bond at the end of rails to allow them to lock together. The improved rail joint will make the use of bolts and nuts, or other connectors unnecessary when connecting rails.

Date: February 17, 1920

Creator: Ryan, William M.